Burgstahler, S. ( 2007a). Universal design of instruction (UDI): Definition, principles, guidelines, and examples. Seattle: DO-IT, University of Washington. Retrieved from http://www.washington.edu/doit//Brochures/Academics/instruction.html
5.
Burgstahler, S. ( 2007b). Equal access: Universal design of instruction. Seattle: DO-IT, University of Washington. Retrieved from http://www.washington.edu/doit/Brochures/Academics/equal_access_udi.html
6.
Cast. (2008). Universal design for learning guidelines version 1.0. Wakefield, MA: Rose. Retrieved from http://www.udlcenter.org/aboutudl/udlguidelines/downloads
7.
Connell, B.R., Jones, M., Mace, R., Mueller, J., Mullick, A., Ostroff, E., . . . Vanderheiden, G. (1997). Principles of universal design. Raleigh: North Carolina State University, Center for Universal Design. Retrieved from http://www.design.ncsu.edu/cud/about_ud/udprinciples.htm
8.
McCord, K., & Watts, E. ( 2006). Collaboration and access for our children: Music educators and special educators together. Music Educators Journal, 92(4), 26-33.
9.
Rose, D. H., & Meyer, A. (Eds.). (2006) A practical reader in universal design for learning. Cambridge, MA: Harvard Education Press.